var c = {
    
}
c.w = 1
c.name = "ccc"
// console.log(c);

let myMap = new Map();
myMap.set(1,"hello")
// console.log(myMap);

let topProgrammingLanguages = new Map([
    [1, 'JavaScript'],
    [2, 'Python'],
    [3, 'Java'],
    [4, 'C#'],
    [5, 'C']
]);
 
// console.log(topProgrammingLanguages);
console.log(topProgrammingLanguages.keys());
console.log(topProgrammingLanguages.values());
console.log(topProgrammingLanguages.entries());
for (const item of topProgrammingLanguages.values()) {
    console.log(item);
}